版本:zabbix-3.4.8
frontends\php\include\defines.inc.php
注释131行：header(‘X-Frame-Options: ‘.$x_frame_options);
frontends\php\app\views\layout.htmlpage.header.php
注释53行：header(‘X-Frame-Options: ‘.$x_frame_options);
原文：https://www.cnblogs.com/zhangmy/p/8962429.html